EP1108646A2 - Elément de structure - Google Patents

Elément de structure Download PDF

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Publication number
EP1108646A2
EP1108646A2 EP00125082A EP00125082A EP1108646A2 EP 1108646 A2 EP1108646 A2 EP 1108646A2 EP 00125082 A EP00125082 A EP 00125082A EP 00125082 A EP00125082 A EP 00125082A EP 1108646 A2 EP1108646 A2 EP 1108646A2
Authority
EP
European Patent Office
Prior art keywords
structural component
stiffening
component according
skin
stiffening elements
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00125082A
Other languages
German (de)
English (en)
Other versions
EP1108646B1 (fr
EP1108646A3 (fr
Inventor
Wolfgang Dipl.-Ing. Entelmann
Otto Dipl.-Ing. Mester
Ulf Dipl.-Ing. Karnath
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Airbus Operations GmbH
Original Assignee
Airbus Operations GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10012906A external-priority patent/DE10012906A1/de
Application filed by Airbus Operations GmbH filed Critical Airbus Operations GmbH
Publication of EP1108646A2 publication Critical patent/EP1108646A2/fr
Publication of EP1108646A3 publication Critical patent/EP1108646A3/fr
Application granted granted Critical
Publication of EP1108646B1 publication Critical patent/EP1108646B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
    • B64C1/1407—Doors; surrounding frames
    • B64C1/1461—Structures of doors or surrounding frames

Definitions

  • the invention relates to a structural component, in particular for use in Aviation structures, essentially providing a large skin area which has stiffening elements.
  • a primary structural component such as an aircraft fuselage component capable of withstanding internal pressure also mostly carried out in differential design and with stiffening elements as well as connecting elements, which also means the production costs elevated.
  • the invention is therefore based on the object of a generic structural component to train in such a way that a high resilience against the dimensioning Loads on the aircraft and a weight reduction compared to today's components is achieved and the manufacturing effort for manufacturing such aircraft components can be reduced.
  • the embodiment according to claim 11 shows a further alternative embodiment a reinforcement structure.
  • a preferred manufacturing process is specified in claim 15.
  • FIGS. 1 to 11 In the drawing, embodiments of the invention are shown, the following are described in more detail with reference to FIGS. 1 to 11.
  • FIGS. 1 to 11 In the figures are Identical components with the same reference numerals.
  • a structural component 1 which is particularly suitable for use in aviation structures as a component which can be subjected to internal pressure.
  • a large-area, slightly curved skin area 2 (as the outer skin) is provided, which has skin area stiffening elements 3 and structural stiffening elements 4 on the inside.
  • the stiffening elements 3 are arranged in a rectangular shape on the skin field 2.
  • the stiffening elements (3 ') are arranged in a honeycomb shape on the skin field (2').
  • the skin field stiffeners 3 (3 ') are necessary in order to reduce the deformations due to radial loading.
  • the stiffeners can be designed, for example, as simple webs without flanges and their height can be adapted to the rigidity requirements.
  • the structural stiffening elements 4 are formed by means of stiffening ribs 5, which are arranged at a greater distance than the skin field stiffeners 3 at right angles to one another. They are perpendicular to the skin area 2 and thus result in rectangular stiffeners.
  • Recesses 6 can be provided in the rib elements 5 to reduce weight.
  • An inner skin 7 running essentially parallel to the first skin field (outer skin) 2 can be arranged on the stiffening ribs 5.
  • the inner skin 7 also has cutouts 8 which are necessary for accessibility and as a weight-reducing measure.
  • the edges of the recesses 6 and 8 can be suitably reinforced.
  • FIG. 5 shows further details of the structural component 1 in a first embodiment in a detailed view.
  • a structural component 1 is designed as a cast component.
  • the preferred methods for the production of a large-area structural component 1 are the sand and the precision casting method.
  • Light metal alloys Al, Mg, Ti
  • Al, Mg, Ti can be used as the material.
  • FIG. 2 is a large-area structural component 1 according to the invention in the Use as a passenger door 10 of an aircraft in a perspective view shown.
  • An application as an aircraft passenger door 10 is advantageous because the stiffening elements 3 and 5 achieve a homogeneous structural stiffening becomes. Such an arrangement is optimal for the power flow in the component. This is of particular importance in the area of the transition from door structure to door frame. Also, due to the regular, rectangular stiffening structure other devices, such as an opening mechanism, a Emergency slide, actuators and motors simply integrated into the aircraft door 10 become. In addition, the casting technology offers the possibility of further functional To integrate components or individual parts into the casting.
  • the aircraft door 10 can be seen in FIGS. 3 and 4 in further views.
  • 3 shows the aircraft door 10 in a plan view with a view of the inner skin 7 shown. Due to the rectangular, regular arrangement of the stiffening elements 3 and 5 can add-on parts (bearings, holders) in a simple manner be connected to the casting and also replaced in the event of repair become. Furthermore, there are recesses 11 and 12 in this component for a window and for the door 10 opening mechanism intended.
  • FIG. 4 A side view of the passenger door 10 is shown in FIG. 4. It's easy convexly curved skin area 2 of the outer skin and the stiffening ribs 5 can be seen, which is preferably substantially perpendicular to the skin field 2 are arranged.
  • FIG. 5 shows details of the structural component 1 in an enlarged detail view evident.
  • the rectangular, arranged vertically on the skin field 2 Skin field stiffeners 3 and the structural stiffening ribs 5 can be seen. Due to a casting design of the structural component 1 it can be seen that at the connection points between the reinforcing ribs 5 and the skin field stiffeners 3 (shown by way of example with reference numeral 14) Transition radii are to be provided.
  • the wall thicknesses of the individual elements of the Structural component 1 can be optimally designed in cast and for the areas of the structural component 1 with lower loads, they are cast on possible minimum reduced.
  • For the outer skin 2 is in a preferred Design provided a wall thickness of 1.5 mm. For areas with higher loads are the to achieve sufficient resilience Wall thicknesses increased accordingly.
  • FIGs. 6 to 8 show in detail the measures necessary for an aircraft passenger door 10 for integrating the opening mechanism into the cast structure 1 and for integrating a frame of a window.
  • 6 shows the areas VII and VIII in which integration is to take place and the cutout 12 for the window and the cutout 11 for a lever of the opening mechanism can be seen
  • 7A and 7B it can be seen that in addition to the recess 11 in the outer skin 2 for the opening lever, a housing 16 is also integrated into the cast structure 1.
  • the longitudinal extension of the housing 16 for the opening lever is preferably introduced horizontally into the aircraft door 10, since this orientation ensures greater rigidity against the deflection of the door 10.
  • FIG. 8 shows an enlarged section of area VIII, which shows the cutout 12 for a window in the aircraft door 10.
  • the recess 12 is provided with a frame 15 which, like the housing 16, is integrated into the existing skin field or rib stiffening structure 3 or 4 according to the principles of casting technology.
  • a structural component 1 'in a second embodiment is partially in FIG 9.
  • Such a structural component 1 ' is honeycomb-shaped Stiffening structure provided.
  • the structural stiffening elements (stiffening ribs) 5 'and skin field stiffening elements 3' are arranged here hexagonally, which is advantageous with regard to the introduction of load into this component 1 '.
  • FIG. 10 an aircraft door 10 'is shown, which according to the Principles of a casting technology, with hexagonal stiffening elements 4 '(stiffening ribs 5') provided structure 1 'is designed. Obviously is a "distorted" honeycomb structure, the structure of which is adapted to a optimized load transfer. The size of the formed by the stiffening ribs 5 ' Honeycomb is adapted to the loads introduced into the structure.
  • the structural component 1 'or 10' is shown in detail in FIG. 11.
  • skin field stiffening elements 3 'can be seen which are provided for stiffening the outer skin 2'.
  • the structural component 1 ' is further equipped with the stiffening ribs 5' forming the stiffening elements 4 ', which form a hexagonal or a rhombic arrangement.
  • recesses 6 'and 8' are also provided in the stiffening ribs 5 'and the inner skin 7', as in the first exemplary embodiment.
  • the edges of the cutouts 6 'and 8' can preferably also have stiffeners 6'A and 8'A.
  • a regular honeycomb structure as a flat stiffening structure for the skin field to provide.
  • Other geometrical arrangements of skin field stiffening elements are also possible and structural stiffening elements to create a flat To create stiffening structure. It is essential that the casting Design adapted to the specified load profiles and boundary conditions and can be integrated in one component.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Glass Compositions (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Rod-Shaped Construction Members (AREA)
EP00125082A 1999-12-16 2000-11-17 Elément de structure Expired - Lifetime EP1108646B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19960734 1999-12-16
DE19960734 1999-12-16
DE10012906 2000-03-16
DE10012906A DE10012906A1 (de) 1999-12-16 2000-03-16 Strukturbauteil

Publications (3)

Publication Number Publication Date
EP1108646A2 true EP1108646A2 (fr) 2001-06-20
EP1108646A3 EP1108646A3 (fr) 2002-12-18
EP1108646B1 EP1108646B1 (fr) 2005-10-05

Family

ID=26004864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00125082A Expired - Lifetime EP1108646B1 (fr) 1999-12-16 2000-11-17 Elément de structure

Country Status (6)

Country Link
US (1) US6454211B2 (fr)
EP (1) EP1108646B1 (fr)
AT (1) ATE305881T1 (fr)
CA (1) CA2328653C (fr)
DE (1) DE50011290D1 (fr)
ES (1) ES2249223T3 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002010013A1 (fr) * 2000-07-28 2002-02-07 Honsel Gmbh & Co. Kg Element structurel destine a un avion, en particulier porte d'avion
GB2366778A (en) * 2000-06-05 2002-03-20 Eurocopter Deutschland Aircraft door cast in one piece
WO2007120201A1 (fr) * 2005-11-15 2007-10-25 The Boeing Company Structures de fuselage d'aéronef pressurisable à sections transversales quasi-elliptiques à optimisation pondérale
DE102009056998A1 (de) * 2009-12-04 2011-06-09 Eads Deutschland Gmbh Versteifungsstruktur für Flächengebilde und Flugzeug
DE102011121586A1 (de) 2011-12-16 2013-06-20 Audi Ag Verfahren zur Herstellung eines Gussbauteils für eine Fahrzeugkarosserie
WO2013057355A3 (fr) * 2011-10-21 2013-08-08 Airbus Operations S.L. Fuselage d'aéronef résistant aux impacts et tolérant aux dommages amélioré
DE102009019434B4 (de) * 2009-04-29 2016-01-07 Airbus Operations Gmbh Flugzeugtür und Verfahren zur Herstellung einer derartigen Flugzeugtür
EP3235722A1 (fr) * 2016-04-18 2017-10-25 The Boeing Company Cadre de porte à section en forme de chapeau avec goussets intégraux

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10035349C1 (de) * 2000-07-20 2001-09-27 Eurocopter Deutschland Flugzeugtür
US20040035979A1 (en) * 2002-08-23 2004-02-26 Mccoskey William Robert Integrally stiffened axial load carrying skin panels for primary aircraft structure and closed loop manufacturing methods for making the same
US7093470B2 (en) 2002-09-24 2006-08-22 The Boeing Company Methods of making integrally stiffened axial load carrying skin panels for primary aircraft structure and fuel tank structures
FR2862608B1 (fr) * 2003-11-24 2006-02-17 Airbus France Cloison pour aeronef destinee a separer une partie cargo d'un cockpit ou d'un compartiment passager
DE102006025930B4 (de) * 2006-06-02 2008-09-11 Airbus Deutschland Gmbh Rumpfstruktur und Verfahren zur Herstellung einer Rumpfstruktur
DE102006026169B4 (de) * 2006-06-06 2012-06-21 Airbus Operations Gmbh Flugzeugrumpfstruktur und Verfahren zu deren Herstellung
DE102008012282A1 (de) * 2008-03-03 2009-09-17 Airbus Deutschland Gmbh Rumpfstruktur für Flugzeug
DE102009060706B4 (de) * 2009-12-29 2014-12-04 Airbus Operations Gmbh Verfahren sowie Vorrichtung zur Herstellung einer Versteifungsstruktur für ein Flugzeugrumpfsegment sowie eine Versteifungsstruktur
ES2902069T3 (es) * 2014-10-16 2022-03-24 Airbus Operations Gmbh Deflector para aeronave y método asociado
US9657489B2 (en) * 2015-06-15 2017-05-23 The Boeing Company Fractal stiffening
FR3067700B1 (fr) * 2017-06-18 2021-02-12 Sogeclair Sa Structure metallique a peau renforcee et procede de fabrication de piece metallique raidie
CN110356541B (zh) * 2019-06-11 2023-07-28 江西昌河航空工业有限公司 一种轻质高强度直升机尾门结构
RU2717267C1 (ru) * 2019-08-16 2020-03-19 Федеральное государственное унитарное предприятие "Центральный аэрогидродинамический институт имени профессора Н.Е. Жуковского" (ФГУП "ЦАГИ") Многослойная авиационная панель
US11427301B2 (en) * 2020-06-12 2022-08-30 The Boeing Company Load relieving carrier beam
US20250320884A1 (en) * 2024-04-10 2025-10-16 Textron Aviation, Inc. Method for forming a reinforced aluminum component and reinforced aluminum component

Citations (1)

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DE3438584A1 (de) 1983-10-21 1985-05-23 Atlas Copco AB, Nacka Vorrichtung zum vernieten von zwei oder mehr blechen einer blechkonstruktion

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US2349907A (en) * 1941-07-09 1944-05-30 Cons Vultee Aircraft Corp Metal door
US2352296A (en) * 1941-11-24 1944-06-27 American Diagrid Corp Beam grid structure for ships, airplanes, and the like
US3071217A (en) * 1960-01-15 1963-01-01 Avro Aircraft Ltd Vibration damping in sheet metal structures
US4035536A (en) * 1975-03-03 1977-07-12 Mcdonnell Douglas Corporation Sandwich panel core
US4557440A (en) * 1983-08-18 1985-12-10 The Boeing Company Movable panel with compound curvature and method of making same
US4720065A (en) * 1985-01-24 1988-01-19 The Boeing Company Translatable outward opening plug-type aircraft door and actuating mechanisms therefor
US4725334A (en) * 1985-05-15 1988-02-16 Chem-Tronics, Inc. Method of forming integrally stiffened structures
US5221377A (en) * 1987-09-21 1993-06-22 Aluminum Company Of America Aluminum alloy product having improved combinations of properties
US4965138A (en) * 1989-09-20 1990-10-23 Rene Gonzalez Structural panel
US5262220A (en) * 1991-06-18 1993-11-16 Chem-Tronics, Inc. High strength structure assembly and method of making the same
US5242523A (en) * 1992-05-14 1993-09-07 The Boeing Company Caul and method for bonding and curing intricate composite structures
DE4413307C2 (de) * 1994-04-16 1997-03-06 Eurocopter Deutschland Türsystem, insbesondere für ein Passagierflugzeug
US5529645A (en) * 1994-05-17 1996-06-25 Northrop Grumman Corporation Thin wall casting and process
US5618633A (en) * 1994-07-12 1997-04-08 Precision Castparts Corporation Honeycomb casting
DE4446153A1 (de) * 1994-12-23 1996-06-27 Eberspaecher J Verfahren zur Herstellung eines Wärmetauschers
US6213426B1 (en) * 1999-07-09 2001-04-10 The Boeing Company Monolithic structure with redundant load paths

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
DE3438584A1 (de) 1983-10-21 1985-05-23 Atlas Copco AB, Nacka Vorrichtung zum vernieten von zwei oder mehr blechen einer blechkonstruktion

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366778A (en) * 2000-06-05 2002-03-20 Eurocopter Deutschland Aircraft door cast in one piece
GB2366778B (en) * 2000-06-05 2004-05-05 Eurocopter Deutschland Aircraft door and form tool for producing it
WO2002010013A1 (fr) * 2000-07-28 2002-02-07 Honsel Gmbh & Co. Kg Element structurel destine a un avion, en particulier porte d'avion
US6817574B2 (en) 2000-07-28 2004-11-16 Honsel Gmbh & Co. Kg Structural element for an aircraft, especially an aircraft door
WO2007120201A1 (fr) * 2005-11-15 2007-10-25 The Boeing Company Structures de fuselage d'aéronef pressurisable à sections transversales quasi-elliptiques à optimisation pondérale
DE102009019434B4 (de) * 2009-04-29 2016-01-07 Airbus Operations Gmbh Flugzeugtür und Verfahren zur Herstellung einer derartigen Flugzeugtür
DE102009056998A1 (de) * 2009-12-04 2011-06-09 Eads Deutschland Gmbh Versteifungsstruktur für Flächengebilde und Flugzeug
DE102009056998B4 (de) * 2009-12-04 2017-07-06 Airbus Defence and Space GmbH Versteifungsstruktur für Flächengebilde und Flugzeug
ES2404946R1 (es) * 2011-10-21 2013-10-07 Airbus Operations Sl Fuselaje de aeronave resistente al impacto y tolerante al dano mejorado
US8678314B2 (en) 2011-10-21 2014-03-25 Airbus Operations S.L. Impact resistant and damage tolerant aircraft fuselage
CN104066647A (zh) * 2011-10-21 2014-09-24 空中客车西班牙运营有限责任公司 冲击抵抗和损坏容限改善的飞行器机身段
WO2013057355A3 (fr) * 2011-10-21 2013-08-08 Airbus Operations S.L. Fuselage d'aéronef résistant aux impacts et tolérant aux dommages amélioré
CN104066647B (zh) * 2011-10-21 2016-09-21 空中客车西班牙运营有限责任公司 冲击抵抗和损坏容限改善的飞行器机身段
DE102011121586A1 (de) 2011-12-16 2013-06-20 Audi Ag Verfahren zur Herstellung eines Gussbauteils für eine Fahrzeugkarosserie
EP3235722A1 (fr) * 2016-04-18 2017-10-25 The Boeing Company Cadre de porte à section en forme de chapeau avec goussets intégraux
CN107303945A (zh) * 2016-04-18 2017-10-31 波音公司 用于飞行器的门框架及门框架系统
US10144497B2 (en) 2016-04-18 2018-12-04 The Boeing Company Hat section door frame with integral gussets

Also Published As

Publication number Publication date
EP1108646B1 (fr) 2005-10-05
CA2328653A1 (fr) 2001-06-16
DE50011290D1 (de) 2006-02-16
CA2328653C (fr) 2007-11-06
ES2249223T3 (es) 2006-04-01
ATE305881T1 (de) 2005-10-15
EP1108646A3 (fr) 2002-12-18
US20010004096A1 (en) 2001-06-21
US6454211B2 (en) 2002-09-24

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